gem5/util/m5/m5.c

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/*
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* Copyright (c) 2011 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
Many files: Update copyright dates and author list SConscript: arch/alpha/alpha_linux_process.cc: arch/alpha/alpha_linux_process.hh: arch/alpha/alpha_memory.cc: arch/alpha/alpha_memory.hh: arch/alpha/alpha_tru64_process.cc: arch/alpha/alpha_tru64_process.hh: arch/alpha/aout_machdep.h: arch/alpha/arguments.cc: arch/alpha/arguments.hh: arch/alpha/ev5.cc: arch/alpha/ev5.hh: arch/alpha/faults.cc: arch/alpha/faults.hh: arch/alpha/isa_desc: arch/alpha/isa_traits.hh: arch/alpha/osfpal.cc: arch/alpha/osfpal.hh: arch/alpha/pseudo_inst.cc: arch/alpha/pseudo_inst.hh: arch/alpha/vptr.hh: arch/alpha/vtophys.cc: arch/alpha/vtophys.hh: base/bitfield.hh: base/callback.hh: base/circlebuf.cc: base/circlebuf.hh: base/cprintf.cc: base/cprintf.hh: base/cprintf_formats.hh: base/crc.hh: base/date.cc: base/dbl_list.hh: base/endian.hh: base/fast_alloc.cc: base/fast_alloc.hh: base/fifo_buffer.cc: base/fifo_buffer.hh: base/hashmap.hh: base/hostinfo.cc: base/hostinfo.hh: base/hybrid_pred.cc: base/hybrid_pred.hh: base/inet.cc: base/inet.hh: base/inifile.cc: base/inifile.hh: base/intmath.cc: base/intmath.hh: base/match.cc: base/match.hh: base/misc.cc: base/misc.hh: base/mod_num.hh: base/mysql.cc: base/mysql.hh: base/output.cc: base/output.hh: base/pollevent.cc: base/pollevent.hh: base/predictor.hh: base/random.cc: base/random.hh: base/range.cc: base/range.hh: base/refcnt.hh: base/remote_gdb.cc: base/remote_gdb.hh: base/res_list.hh: base/sat_counter.cc: base/sat_counter.hh: base/sched_list.hh: base/socket.cc: base/socket.hh: base/statistics.cc: base/statistics.hh: base/compression/lzss_compression.cc: base/compression/lzss_compression.hh: base/compression/null_compression.hh: base/loader/aout_object.cc: base/loader/aout_object.hh: base/loader/ecoff_object.cc: base/loader/ecoff_object.hh: base/loader/elf_object.cc: base/loader/elf_object.hh: base/loader/object_file.cc: base/loader/object_file.hh: base/loader/symtab.cc: base/loader/symtab.hh: base/stats/events.cc: base/stats/events.hh: base/stats/flags.hh: base/stats/mysql.cc: base/stats/mysql.hh: base/stats/mysql_run.hh: base/stats/output.hh: base/stats/statdb.cc: base/stats/statdb.hh: base/stats/text.cc: base/stats/text.hh: base/stats/types.hh: base/stats/visit.cc: base/stats/visit.hh: base/str.cc: base/str.hh: base/time.cc: base/time.hh: base/timebuf.hh: base/trace.cc: base/trace.hh: base/userinfo.cc: base/userinfo.hh: build/SConstruct: cpu/base.cc: cpu/base.hh: cpu/base_dyn_inst.cc: cpu/base_dyn_inst.hh: cpu/exec_context.cc: cpu/exec_context.hh: cpu/exetrace.cc: cpu/exetrace.hh: cpu/inst_seq.hh: cpu/intr_control.cc: cpu/intr_control.hh: cpu/memtest/memtest.cc: cpu/pc_event.cc: cpu/pc_event.hh: cpu/smt.hh: cpu/static_inst.cc: cpu/static_inst.hh: cpu/memtest/memtest.hh: cpu/o3/sat_counter.cc: cpu/o3/sat_counter.hh: cpu/ozone/cpu.hh: cpu/simple/cpu.cc: cpu/simple/cpu.hh: cpu/trace/opt_cpu.cc: cpu/trace/opt_cpu.hh: cpu/trace/reader/ibm_reader.cc: cpu/trace/reader/ibm_reader.hh: cpu/trace/reader/itx_reader.cc: cpu/trace/reader/itx_reader.hh: cpu/trace/reader/m5_reader.cc: cpu/trace/reader/m5_reader.hh: cpu/trace/reader/mem_trace_reader.cc: cpu/trace/reader/mem_trace_reader.hh: cpu/trace/trace_cpu.cc: cpu/trace/trace_cpu.hh: dev/alpha_access.h: dev/alpha_console.cc: dev/alpha_console.hh: dev/baddev.cc: dev/baddev.hh: dev/disk_image.cc: dev/disk_image.hh: dev/etherbus.cc: dev/etherbus.hh: dev/etherdump.cc: dev/etherdump.hh: dev/etherint.cc: dev/etherint.hh: dev/etherlink.cc: dev/etherlink.hh: dev/etherpkt.cc: dev/etherpkt.hh: dev/ethertap.cc: dev/ethertap.hh: dev/ide_ctrl.cc: dev/ide_ctrl.hh: dev/ide_disk.cc: dev/ide_disk.hh: dev/io_device.cc: dev/io_device.hh: dev/ns_gige.cc: dev/ns_gige.hh: dev/ns_gige_reg.h: dev/pciconfigall.cc: dev/pciconfigall.hh: dev/pcidev.cc: dev/pcidev.hh: dev/pcireg.h: dev/pktfifo.cc: dev/pktfifo.hh: dev/platform.cc: dev/platform.hh: dev/simconsole.cc: dev/simconsole.hh: dev/simple_disk.cc: dev/simple_disk.hh: dev/sinic.cc: dev/sinic.hh: dev/sinicreg.hh: dev/tsunami.cc: dev/tsunami.hh: dev/tsunami_cchip.cc: dev/tsunami_cchip.hh: dev/tsunami_io.cc: dev/tsunami_io.hh: dev/tsunami_pchip.cc: dev/tsunami_pchip.hh: dev/tsunamireg.h: dev/uart.cc: dev/uart.hh: dev/uart8250.cc: dev/uart8250.hh: docs/stl.hh: encumbered/cpu/full/op_class.hh: kern/kernel_stats.cc: kern/kernel_stats.hh: kern/linux/linux.hh: kern/linux/linux_syscalls.cc: kern/linux/linux_syscalls.hh: kern/linux/linux_system.cc: kern/linux/linux_system.hh: kern/linux/linux_threadinfo.hh: kern/linux/printk.cc: kern/linux/printk.hh: kern/system_events.cc: kern/system_events.hh: kern/tru64/dump_mbuf.cc: kern/tru64/dump_mbuf.hh: kern/tru64/mbuf.hh: kern/tru64/printf.cc: kern/tru64/printf.hh: kern/tru64/tru64.hh: kern/tru64/tru64_events.cc: kern/tru64/tru64_events.hh: kern/tru64/tru64_syscalls.cc: kern/tru64/tru64_syscalls.hh: kern/tru64/tru64_system.cc: kern/tru64/tru64_system.hh: python/SConscript: python/m5/__init__.py: python/m5/config.py: python/m5/convert.py: python/m5/multidict.py: python/m5/smartdict.py: sim/async.hh: sim/builder.cc: sim/builder.hh: sim/debug.cc: sim/debug.hh: sim/eventq.cc: sim/eventq.hh: sim/host.hh: sim/main.cc: sim/param.cc: sim/param.hh: sim/process.cc: sim/process.hh: sim/root.cc: sim/serialize.cc: sim/serialize.hh: sim/sim_events.cc: sim/sim_events.hh: sim/sim_exit.hh: sim/sim_object.cc: sim/sim_object.hh: sim/startup.cc: sim/startup.hh: sim/stat_control.cc: sim/stat_control.hh: sim/stats.hh: sim/syscall_emul.cc: sim/syscall_emul.hh: sim/system.cc: sim/system.hh: test/bitvectest.cc: test/circletest.cc: test/cprintftest.cc: test/genini.py: test/initest.cc: test/lru_test.cc: test/nmtest.cc: test/offtest.cc: test/paramtest.cc: test/rangetest.cc: test/sized_test.cc: test/stattest.cc: test/strnumtest.cc: test/symtest.cc: test/tokentest.cc: test/tracetest.cc: util/ccdrv/devtime.c: util/m5/m5.c: util/oprofile-top.py: util/rundiff: util/m5/m5op.h: util/m5/m5op.s: util/stats/db.py: util/stats/dbinit.py: util/stats/display.py: util/stats/info.py: util/stats/print.py: util/stats/stats.py: util/tap/tap.cc: Update copyright dates and author list --HG-- extra : convert_revision : 0faba08fc0fc0146f1efb7f61e4b043c020ff9e4
2005-06-05 11:16:00 +02:00
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Nathan Binkert
*/
#ifdef linux
#define _GNU_SOURCE
#include <sched.h>
#endif
#include <err.h>
#include <fcntl.h>
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#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "m5op.h"
void *m5_mem = NULL;
char *progname;
char *command = "unspecified";
void usage();
void
parse_int_args(int argc, char *argv[], uint64_t ints[], int len)
{
if (argc > len)
usage();
// On 32 bit platforms we need to use strtoull to do the conversion
#ifdef __LP64__
#define strto64 strtoul
#else
#define strto64 strtoull
#endif
int i;
for (i = 0; i < len; ++i)
ints[i] = (i < argc) ? strto64(argv[i], NULL, 0) : 0;
#undef strto64
}
void
parse_str_args_to_regs(int argc, char *argv[], uint64_t regs[], int len)
{
if (argc > 1 || strlen(argv[0]) > len * sizeof(uint64_t))
usage();
int i;
for (i = 0; i < len; i++)
regs[i] = 0;
if (argc == 0)
return;
int n;
for (n = 0, i = 0; i < len && n < strlen(argv[0]); n++) {
*((char *)(&regs[i]) + (n % 8)) = argv[0][n];
if ((n % 8) == 7)
i++;
}
}
int
read_file(int dest_fid)
{
char buf[256*1024];
int offset = 0;
int len;
// Touch all buffer pages to ensure they are mapped in the
// page table. This is required in the case of X86_FS, where
// Linux does demand paging.
memset(buf, 0, sizeof(buf));
while ((len = m5_readfile(buf, sizeof(buf), offset)) > 0) {
write(dest_fid, buf, len);
offset += len;
}
}
int
write_file(const char *filename)
{
fprintf(stderr, "opening %s\n", filename);
int src_fid = open(filename, O_RDONLY);
if (src_fid < 0) {
fprintf(stderr, "error opening %s\n", filename);
return;
}
char buf[256*1024];
int offset = 0;
int len;
int bytes = 0;
memset(buf, 0, sizeof(buf));
while ((len = read(src_fid, buf, sizeof(buf))) > 0) {
bytes += m5_writefile(buf, len, offset, filename);
offset += len;
}
fprintf(stderr, "written %d bytes\n", bytes);
close(src_fid);
}
void
do_exit(int argc, char *argv[])
{
if (argc > 1)
usage();
uint64_t ints[1];
parse_int_args(argc, argv, ints, 1);
m5_exit(ints[0]);
}
void
do_fail(int argc, char *argv[])
{
if (argc < 1 || argc > 2)
usage();
uint64_t ints[2] = {0,0};
parse_int_args(argc, argv, ints, argc);
m5_fail(ints[1], ints[0]);
}
void
do_reset_stats(int argc, char *argv[])
{
uint64_t ints[2];
parse_int_args(argc, argv, ints, 2);
m5_reset_stats(ints[0], ints[1]);
}
void
do_dump_stats(int argc, char *argv[])
{
uint64_t ints[2];
parse_int_args(argc, argv, ints, 2);
m5_dump_stats(ints[0], ints[1]);
}
void
do_dump_reset_stats(int argc, char *argv[])
{
uint64_t ints[2];
parse_int_args(argc, argv, ints, 2);
m5_dumpreset_stats(ints[0], ints[1]);
}
void
do_read_file(int argc, char *argv[])
{
if (argc > 0)
usage();
read_file(STDOUT_FILENO);
}
void
do_write_file(int argc, char *argv[])
{
if (argc != 1)
usage();
const char *filename = argv[0];
write_file(filename);
}
void
do_exec_file(int argc, char *argv[])
{
if (argc > 0)
usage();
const char *destname = "/tmp/execfile";
int fid = open(destname, O_WRONLY, 0777);
int len = read_file(fid);
close(fid);
if (len > 0) {
execl(destname, "execfile", NULL);
err(1, "execl failed!");
}
}
void
do_checkpoint(int argc, char *argv[])
{
uint64_t ints[2];
parse_int_args(argc, argv, ints, 2);
m5_checkpoint(ints[0], ints[1]);
}
void
do_load_symbol(int argc, char *argv[])
{
if (argc != 2)
usage();
uint64_t addr = strtoul(argv[0], NULL, 0);
char *symbol = argv[1];
m5_loadsymbol(addr, symbol);
}
void
do_initparam(int argc, char *argv[])
{
if (argc > 1)
usage();
uint64_t key_str[2];
parse_str_args_to_regs(argc, argv, key_str, 2);
uint64_t val = m5_initparam(key_str[0], key_str[1]);
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printf("%"PRIu64, val);
}
void
do_sw99param(int argc, char *argv[])
{
if (argc != 0)
usage();
uint64_t param = m5_initparam(0, 0);
// run-time, rampup-time, rampdown-time, warmup-time, connections
printf("%"PRId64" %"PRId64" %"PRId64" %"PRId64" %"PRId64,
(param >> 48) & 0xfff,
(param >> 36) & 0xfff, (param >> 24) & 0xfff,
(param >> 12) & 0xfff, (param >> 0) & 0xfff);
}
#ifdef linux
void
do_pin(int argc, char *argv[])
{
if (argc < 2)
usage();
cpu_set_t mask;
CPU_ZERO(&mask);
const char *sep = ",";
char *target = strtok(argv[0], sep);
while (target) {
CPU_SET(atoi(target), &mask);
target = strtok(NULL, sep);
}
if (sched_setaffinity(0, sizeof(cpu_set_t), &mask) < 0)
err(1, "setaffinity");
execvp(argv[1], &argv[1]);
err(1, "execvp failed!");
}
#endif
struct MainFunc
{
char *name;
void (*func)(int argc, char *argv[]);
char *usage;
};
struct MainFunc mainfuncs[] = {
{ "exit", do_exit, "[delay]" },
{ "fail", do_fail, "<code> [delay]" },
{ "resetstats", do_reset_stats, "[delay [period]]" },
{ "dumpstats", do_dump_stats, "[delay [period]]" },
{ "dumpresetstats", do_dump_reset_stats, "[delay [period]]" },
{ "readfile", do_read_file, "" },
{ "writefile", do_write_file, "<filename>" },
{ "execfile", do_exec_file, "" },
{ "checkpoint", do_checkpoint, "[delay [period]]" },
{ "loadsymbol", do_load_symbol, "<address> <symbol>" },
{ "initparam", do_initparam, "[key] // key must be shorter than 16 chars" },
{ "sw99param", do_sw99param, "" },
#ifdef linux
{ "pin", do_pin, "<cpu> <program> [args ...]" }
#endif
};
int numfuncs = sizeof(mainfuncs) / sizeof(mainfuncs[0]);
void
usage()
{
int i;
for (i = 0; i < numfuncs; ++i) {
char *header = i ? "" : "usage:";
fprintf(stderr, "%-6s %s %s %s\n",
header, progname, mainfuncs[i].name, mainfuncs[i].usage);
}
fprintf(stderr, "\n");
fprintf(stderr, "All times in nanoseconds!\n");
exit(1);
}
static void
map_m5_mem()
{
#ifdef M5OP_ADDR
int fd;
fd = open("/dev/mem", O_RDWR | O_SYNC);
if (fd == -1) {
perror("Can't open /dev/mem");
exit(1);
}
m5_mem = mmap(NULL, 0x10000, PROT_READ | PROT_WRITE, MAP_SHARED, fd, M5OP_ADDR);
if (!m5_mem) {
perror("Can't mmap /dev/mem");
exit(1);
}
#endif
}
int
main(int argc, char *argv[])
{
progname = argv[0];
if (argc < 2)
usage(1);
map_m5_mem();
command = argv[1];
argv += 2;
argc -= 2;
int i;
for (i = 0; i < numfuncs; ++i) {
if (strcmp(command, mainfuncs[i].name) != 0)
continue;
mainfuncs[i].func(argc, argv);
exit(0);
}
usage(1);
}